The O-antigen structure of bacterium CJG Free

Abstract

Genus is a group of bacteria that are able to degrade a variety of environmental waste. CJG () in this genus is able to absorb low-density lipoprotein but not high-density lipoprotein of human serum. Using H and C NMR spectroscopy, we found that the O-polysaccharide (O-antigen) of this bacterium is comprised of a disaccharide repeat (O-unit) of -glucose and 2-O-acetyl--rhamnose, which is shared by O6. The O-antigen gene cluster of , which is located between and genes, contains rhamnose synthesis genes, glycosyl and acetyl transferase genes, and ATP-binding cassette transporter genes, and therefore is consistent with the O-antigen structure determined here.

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2017-11-01
2024-03-28
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